Analogue and Discretes News

Smart meters a waste of money, say MPs

Smart meters will only save 2% on consumers’ bills – an average £26 per household per year – according to the Public Accounts Committee (PAC) – a committee of MPs – which disagrees with the opinion of the Department of Energy and Climate Change (DECC) that smart meters will lower bills and make switching…

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16 bit DAC hits 2.5Gsample/s for direct RF generation

Clean fast analogue signal generation is the target of Linear Tech’s latest DAC. Called LTC2000, the 16 bit converter can accept data at 2.5Gsample/s and has a 2.1GHz -3dB output bandwidth. RF synthesis is the intended application, in instrumentation, communications, test, cable TV data services and…

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Protecting wearable healthcare devices from static charges

Wearable technologies that incorporate physiological sensors are appearing on the market in so-called smart watches. Next generation monitoring devices will be worn on the body to monitor conditions such as blood glucose levels in near-real time and allow them to collect considerably more data over the course of…

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MEMS sound great, but can it last?

The MEMS (microelectromechanical system) market is starting to motor. It grew at just over 10% last year and is likely to grow even faster this year. This is good news for the ‘newest’ semiconductor device market. But can it continue to grow at this rate? Market analyst Yole Développement…

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Avago optocoupler has flyback controller to drive IGBTs

Avago Technologies has introduced a gate drive optocoupler device that integrates a flyback controller for DC-DC converters and fail-safe IGBT diagnostics. The device’s 2.5A rail-to-rail output makes it suitable for driving IGBTs and power MOSFETs in industrial power inverters and motor drives. “By integrating…

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Novel audio topology aims to increase efficiency

Have you ever heard of an audio amplifier operating in Class-DG? Neither had I until I came across an unusual amplifier from Maxim, that slipped below Electronics Weekly’s radar when it first came out. Class-D audio amplifiers (switching audio amplifiers) have done a lot to increase efficiency…

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Dublin firm's high speed ADC cuts power in 4G LTE design

S3 Group, the Dublin-based mixed-signal silicon IP developer,  has introduced a standalone chip, a high-speed 160MS/s 12bit analogue-to-digital converter (ADC). The successive approximation register (SAR ) ADC  is aimed at high speed wireless systems LTE and 802.11ac Wi-Fi. The chip, which is fabbed…

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